Hulk Contact Form Builder B2B vs SPF‑Custom Forms
Two Shopify apps, side by side: detected stores, momentum, reviews, plans, listed features and who runs each. Store counts as of Nov 8, 2026 for Hulk Contact Form Builder B2B, Oct 13, 2026 for SPF‑Custom Forms.
The short answer
- Only Hulk Contact Form Builder B2B lists a free plan. Paid plans start at $12.90/month for Hulk Contact Form Builder B2B and $19.99/month for SPF‑Custom Forms.
- Hulk Contact Form Builder B2B lists 27 features SPF‑Custom Forms’s listing doesn’t mention, including Analytics, Applications, Attribution.
Head to head
MailChimp Forms | Stripe | Klaviyo | Google Analytics & more!
- United States
- Australia
- United Kingdom
Momentum
New reviews each month
Review pace is the clearest public read on how fast an app is winning new merchants.
Basic Plan
- · 1 Form, 50 Submissions
- · Captcha
- · Customize Style
- · Export Submissions
- · File Upload (Unlimited Storage)
- · Respondent & Admin Email Notifications
Pro Plan
- · Create Customer Accounts Through Forms
- · Customize Auto Response Message
- · Facebook Pixel Integration
- · Form Schedule
- · Popup Form
- · Set Up Custom Sending Domain
Pro+ Plan
- · Advanced Conditional Logic
- · Booking Element
- · File Upload Limit Up to 100 MB
- · Multi Page Form
- · Restrict Submissions to Logged In Users
- · Slack Integration
Free
Unlimited Pro Plan
Coverage counts what each App Store listing names. Every feature, checked off app by app, is in Shoplist.
See every featureForm Builder lets you create unlimited custom forms, including registration forms, contact forms, survey forms, wholesale order forms, multi-step forms, and Typeform-style forms for your Shopify store. With drag-and-drop design, Google reCaptcha, advanced conditional logic, and custom fields, building forms is easy. Supports file uploads and works with all Shopify themes.
SPF-Custom Form is the most flexible form builder for Shopify merchants. Whether you need a contact form, product inquiry form, warranty registration, job application, or any custom form — build it in minutes without any coding.
- Easily create forms and gather data from your customers, including file uploads.
- Design your forms by using conditional and dynamic field logic.
- Personalized forms are designed to fit the aesthetic of your shop.
- We provide immense storage amounts, allowing you to upload more files.
- DRAG & DROP FORM BUILDER
- CONDITIONAL LOGIC AND PRODUCT FORMS
- FILE UPLOADS AND CUSTOM CSS
- EMAIL NOTIFICATIONS
All the numbers
Every figure, side by side
A green dot marks the app ahead on a measured figure. Estimates, gaps and apps that leave no storefront trace never take the lead.
Adoption
| Measure |  Hulk Contact Form Builder B2B |  SPF‑Custom Forms |
|---|---|---|
| Detected stores | 28,371 | Not published |
| Net store change, 28 days | −74 | 0 |
| Stores added, 28 days | 242 | Not enough data |
| Big-brand share | 14% | Not enough data |
| Top store categories | Apparel & Accessories, Home & Garden, Food, Beverages & Tobacco | Not published |
| Top store countries | United States, Australia, United Kingdom | Not published |
Reviews
| Measure | Hulk Contact Form Builder B2B | SPF‑Custom Forms |
|---|---|---|
| App Store rating | 4.9 ★ | Not published |
| App Store reviews | 2,041 | Not published |
| New reviews, 28 days | 10 | Not enough data |
| Reviewers a year or more in | 36% | Not enough data |
Pricing
| Measure | Hulk Contact Form Builder B2B | SPF‑Custom Forms |
|---|---|---|
| Free plan | Yes | Not listed |
| Lowest paid monthly plan | $12.90/month(ahead) | $19.99/month |
| Longest free trial | 7 days | Not listed |
| Plans listed | 3 | 2 |
Listing
| Measure | Hulk Contact Form Builder B2B | SPF‑Custom Forms |
|---|---|---|
| Shopify category rank | #5(ahead) | #129 |
| Shopify App Charts | #14 on the Shoplist 100 | Not on this week’s charts |
| Built for Shopify | Yes | No |
| Launched | Aug 11, 2017 | May 11, 2026 |
| Languages | 19 | 1 |
| Developer | HulkApps | The Support Point |
FAQ
Hulk Contact Form Builder B2B and SPF‑Custom Forms: common questions
- Is Hulk Contact Form Builder B2B or SPF‑Custom Forms cheaper?
- Only Hulk Contact Form Builder B2B lists a free plan. Paid plans start at $12.90/month for Hulk Contact Form Builder B2B and $19.99/month for SPF‑Custom Forms. Shoplist compares base prices only between monthly plans in the same currency; usage charges and annual plans vary, so check each plan’s limits.
- What features does each app list that the other doesn’t?
- Hulk Contact Form Builder B2B lists 27 the others don’t mention, such as Analytics, Applications, Attribution, Bookings. SPF‑Custom Forms lists 1 the others don’t mention, such as Drag-and-drop editor. A feature missing from a listing may still be supported; this compares what each App Store listing says.
- Where does this comparison’s data come from?
- Shoplist crawls Shopify storefronts to detect which apps each store runs, and reads each app’s Shopify App Store listing for reviews, pricing, features and integrations. Store counts are as of Nov 8, 2026 for Hulk Contact Form Builder B2B, Oct 13, 2026 for SPF‑Custom Forms; estimated figures are labeled.
How Shoplist compares apps
Store counts come from Shoplist’s crawl of Shopify storefronts, which detects the apps each store runs; they are as of Nov 8, 2026 for Hulk Contact Form Builder B2B, Oct 13, 2026 for SPF‑Custom Forms. Reviews, ratings, plans, features and integrations come from each app’s Shopify App Store listing. 28-day figures are labeled when estimated, and a figure that is missing or estimated never decides who leads. Read the methodology.